Secret Service agents avert their eyes as the Obamas share a private moment on Inauguration Day 2009.
Dancing at the White House during the Governors Ball in February 2009.
Holding hands while heading to Camp David for the first time in March 2009.
In the White House's Red Room with adviser Valerie Jarrett in March 2009.
Watching fireworks on the roof of the White House on July 4, 2009.
The Obamas dance at the Nobel Banquet in Oslo, Norway after the President was awarded the Nobel Peace Prize in 2009.
Posing for their first holiday portrait at the White House.
Sharing a kiss after the State of the Union address in 2010.
President Obama chats with Michelle as they walk the White House Colonnade in Sept. 2010.
Barack congratulates Michelle after she jump-ropes during a July 2011 White House Presidential Active Lifestyle Award event.
The Obamas visit the Flight 93 crash site on the 10th anniversary of the Sept. 11 terrorist attacks.
Barack whispers something to Michelle during a break between events at the 2011 UN General Assembly.
Obama jokes with Michelle after she says Dr. Jill Biden is her "favorite person in the room."
The First Couple shares a private dance before a May 2012 concert at the White House.
The First Lady greets Barack Obama on the tarmac at JFK in June 2012.
The Obamas look out over their hometown skyline in Chicago on June 15, 2012.
At Valerie Jarrett's daughter's Chicago wedding in June 2012.
The First Couple smooches for the KissCam during a timeout at an Olympic basketball exhibition game in 2012.
The Obamas made history with this August 2012 hug — this became the most tweeted photo of all time after Obama sent it out to his followers on election night.
Barack gives Michelle a kiss during the inaugural parade.
The Obamas wave and giggle as they ride in the inaugural parade in Washington, D.C., Jan. 21, 2013.
Barack bows in front of Michelle before they share their first dance during the Commander-In-Chief's Ball on Inauguration Day 2013.
The President sings 'Happy Birthday' to Michelle in the Blue Room of the White House. The First Lady's new hairstyle attracted a lot of attention from this photo.
Barack Obama waves as he and Michelle arrive for a reception for the 2013 Kennedy Center Honors recipients.
Barack introduces Michelle at the second annual "Kids' State Dinner," one of Michelle's efforts to promote healthy lunches.
The Obamas arrive in New York, where Barack attended the United Nations General Assembly September 23, 2013.
Barack kisses Michelle as he takes the stage to speak about college education with representatives of colleges, universities and philanthropic groups. His speech was focused on getting more low-income students to attend college.
The Obamas and their pets Sunny and Bo, wait to greet visitors in the Blue Room during a White House tour.
Now see some other romantic photos
